COLFAX
Illinois - Community Water System - PWSID: IL1130350
System Information
| PWSID | IL1130350 |
| System Name | COLFAX |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | COLFAX |
| ZIP Code | 61728 |
| Address | 307 N. Harrison |
| Organization | VANDEGRAFT, PORTIA |
| Phone | 309-723-3261 |
Population & Service
| Population Served | 989 |
| Service Connections | 492 |
Drinking Water Violations (104)
This water system has 104 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jul 12, 2014 | - | Other | No | No | - | - | - | Resolved | Aug 11, 2014 | - | |
| Jul 12, 2014 | - | Other | No | No | - | - | - | Resolved | Aug 11, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 18, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 18, 2014 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2014 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2014 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 12, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 6, 2012 | - | |
| Apr 12, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 6, 2012 | - | |
| Apr 12, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 6, 2012 | - | |
| Apr 12, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 6, 2012 | - | |
| Oct 2, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2012 | - | |
| Oct 2, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2012 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 2, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 2, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 2, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 2, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Apr 2, 2011 | - | MR | No | No | - | TT | - | Resolved | Apr 14, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 16, 2009 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Nov 16, 2009 | - | |
| Sep 1, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Oct 1, 2009 | - | |
| Sep 1, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Oct 1, 2009 | - | |
| Mar 18, 2009 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2009 | - | |
| Mar 18, 2009 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2009 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.